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Q 1/14
Score 0
Which of the follow is an element?
30
Iron
Water
Air
Salt
Q 2/14
Score 0
A student was reading about chemicals and drew a model similar to drawing above. Which elements are present?
60
Helium & Sulfur
Hydrogen and silicon
Helium & Silicon
Hydrogen & Sulfur
14 questions
Q.
Which of the follow is an element?
1
30 sec
Q.
A student was reading about chemicals and drew a model similar to drawing above. Which elements are present?
2
60 sec
Q.
Which statement best summarizes the difference between an element and a compound?
3
60 sec
Q.
Which of the following is the best example of a chemical change?
4
60 sec
Q.
All of these are evidence of a possible chemical change except--
5
60 sec
Q.
A student experimented with effervescent tablets and water. Based on the diagram, which statement best summarize the experiment.
6
60 sec
Q.
What is the volume of the cube?
7
60 sec
Q.
Block A, B and C have the same volume. Each of the particles in the blocks has the same mass. Which block has the greatest density?
8
60 sec
Q.
What occurs within the beaker as the teacher mixes the vinegar and milk?
9
60 sec
Q.
A student tests the properties of an element and finds that it is malleable, shiny and conducts electricity. Based on the student's data, this element most likely is a:
10
60 sec
Q.
A nonmetal most likely is--
11
60 sec
Q.
Which term is represented by the letter Y on the chart?
12
60 sec
Q.
Which of the following elements is a nonmetal?
13
60 sec
Q.
A student tested the properties of an unknown element. The results of the test are shown in the table above. Based on the information, which element did the student likely test?
